Treatment Planning Completes Flashcards

0
Q

When is bone resorption most rapid?

A

In the first 6 months following xla

None resorption in anterior mandible is four times fresher than maxilla

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1
Q

Where should the post dam be placed?

A

Soft tissue At or along the junction of the hard and soft plate where pressure within physiological limits can be applied to aid denture retention

Needs to be anterior to palatine fovea which area collection of minor salivary glands just anterior to vibratory line

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2
Q

What factors will include mandibular bone loss?

A
Functional force
Bone type
Blood supply; 
Age
Diet and deficiency
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3
Q

What are the forces acting to keep the denture in situ?

A

Physical

Mechanical

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4
Q

What are the physical forces keeping the denture in?

A
Adhesion cohesion 
Gravity
Base adaptation 
Viscosity 
Surface tension: negative surface of denture becomes wet by saliva and along periphery there is a negative pressure which prevents due true being drawn away
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5
Q

What are the mechanical forces keeping the denture in?

A

Undercuts

Muscular

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6
Q

What is adhesion and cohesion optimised by?

A

Accurate fit
Optimum surface area
Peripheral seal: needs to fill functional sulcus

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7
Q

What is the Hamilcar notch?

A

Overlies gap between pterygoid hamulis and maxillary tuberosity
This is the most posterior extension

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8
Q

How far up the RM pad should the teeth be placed?

A

2/3
Thine anterior part is firm and fibrous
The posterior part is mobile

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9
Q

Whag is th significance of the mylohoyoid ridge?

A

With age this becomes more prominent and then can lead to mucosa soreness

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10
Q

What are the options for a patient with denture dissatisfaction?

A

Reline/repair
Fixed implant retained
New denture: conventional or special techniques

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11
Q

What are the special techniques that can be used in completes?

A
Copy
Impression technqiue
Occlusal techqniue
Nutrual zone
Soft linings
Denture base matal 
Implant retained
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12
Q

What are the impression techniques available?

A

Standards
Border moulding
Mucodisplasive
Flabby ridge

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13
Q

Border moulding includes what?

A

Shaping of the impression material by manipulation of the soft tissues

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14
Q

What is the neutral zone techqniue?

A

This is an impression techqniue to record the neutral zone and this where the polished surfaces should be placed to increase stability

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15
Q

When is the internal zone techqniue indicate!

A

Stroke
Resection
Repeated failure

16
Q

How do you do the neutral zone technique?

A

1: primary impressions of upper and lower in impression compound
2. Poured up
3. Upper secondary impression and wax rim made and lower special tray which has projection spurs and fins for retention of viscogel
4. Adjust upper wax rim
5. Place lower special tray in mouth and to stablish correct OVD with pillars
6. Place viscogel on lower TRSY and patient to carry out functions movements and after 10 mins set
7. Lab poute this up and then leaves a gutter where the neutral zone is

17
Q

What factors affect the aesthetics?

A
OVD
Tooth shade
Tooth shape
Tooth modification 
Gingival modification
18
Q

Which dentur base materials are there?

A

High strength: Co polymer, valplast, CoCr
Non allergenic: luxene, valplast
Pigmented